Home / 145,088.74-217,464.63-82,802.98

Finding the Fourth Proportional to 145,088.74, 217,464.63 and 82,802.98

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Solution

The fourth proportional to 145,088.74, 217,464.63 and 82,802.98 is: 124,108.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,088.74 : 217,464.63 = 82,802.98 : x
  2. Step 2: Convert to fraction form
    145,088.74/217,464.63 = 82,802.98/x
  3. Step 3: Cross multiply
    145,088.74x = 217,464.63 × 82,802.98
  4. Step 4: Simplify right side
    145,088.74x = 18,006,719,408.60
  5. Step 5: Solve for x
    x = 18,006,719,408.60/145,088.74
  6. Step 6: Final answer
    x = 124,108.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.